#user nobody; #使用哪个用户启动nginx 前面是用户,后面是组
worker_processes 1; #nginx工作的进程数量
#[ debug | info | notice | warn | error | crit ] 错误日志的级别及位置
#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;
#pid logs/nginx.pid; #进程文件
#worker_rlimit_nofile 51200; #一个nginx进程打开的最多文件描述符数目，
#理论值应该是最多打开文件数（ulimit -n）与nginx进程数相除，但是nginx分配请求并不是那么均匀，
#所以最好与ulimit -n的值保持一致。
#工作模式及连接数上限
events {
#use [ kqueue | rtsig | epoll | /dev/poll | select | poll ];
worker_connections 1024; #每个进程最大连接数（最大连接=连接数x进程数）
}
#设定http服务器，利用它的反向代理功能提供负载均衡支持
http {
include mime.types; #设定mime类型
default_type application/octet-stream; #默认文件类型
#设定日志格式
#log_format main '$remote_addr - $remote_user [$time_local] "$request" '
# '$status $body_bytes_sent "$http_referer" '
# '"$http_user_agent" "$http_x_forwarded_for"';
#log_format download '$remote_addr - $remote_user [$time_local] '
# '"$request" $status $bytes_sent '
# '"$http_referer" "$http_user_agent" '
# '"$http_range" "$sent_http_content_range"';
#access_log logs/access.log main;
#charset gb2312,utf-8; #默认编码
#server_names_hash_bucket_size 128; #服务器名字的hash表大小
sendfile on; #开启高效文件传输模式
#以下两个选项用于防止网络阻塞
tcp_nopush on;
tcp_nodelay on;
#tcp_nopush 这个参数只有 sendfile on 的时候才有用。tcp_nodelay 只在 keepalive 连接状态中使用。
keepalive_timeout 65; #超时时间
client_max_body_size 20m; #上传文件大小限制
#设定请求缓冲
client_header_buffer_size 1k;
large_client_header_buffers 4 4k;
#开启gzip模块
#gzip on;
#gzip_min_length 1k; #最小压缩文件大小
#gzip_buffers 4 8k; #压缩缓冲区
#压缩类型,默认就已经包含text/html 所以下面就不用再写了,当然写上去的话,也不会有问题,但是会有一个warn
#gzip_types ext/plain application/x-javascript text/css text/html text/javascript application/xml;
#output_buffers 1 32k;
#postpone_output 1460;
#FastCGI是为了改善网站的性能－－减少资源占用，提高访问速度. 似乎只有php用得到
#fastcgi_connect_timeout 300;
#fastcgi_send_timeout 300;
#fastcgi_read_timeout 300;
#fastcgi_buffer_size 64k;
#fastcgi_buffers 4 64k;
#fastcgi_busy_buffers_size 128k;
#fastcgi_temp_file_write_size 128k;
#设定负载均衡的服务器列表
upstream localhost {
ip_hash; #每个ip给一个hash值,可以复制session,防止集群session丢失
server 127.0.0.1:8080 weight=5; #weigth参数表示权值，权值越高被分配到的几率越大
server 127.0.0.1:8081;
}
#虚拟主机的配置
server {
listen 80;
server_name localhost;
index index.html index.htm index.jsp;
#root /usr/local/tomcat/webapps/123;
charset utf-8; #字符编码
#设定本虚拟主机的访问日志
#access_log logs/host.access.log main;
#client_header_timeout 3m;
#client_body_timeout 3m;
#send_timeout 3m;
#sendfile on;
#tcp_nopush on;
#tcp_nodelay on;
#keepalive_timeout 65;
#对 访问动态服务器的地址 启用负载均衡
location ~ .(jsp|jspx|do|action|yo)?$ {
proxy_pass http://localhost;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
client_max_body_size 10m; #上传文件大小限制
client_body_buffer_size 128k;
proxy_connect_timeout 90;
proxy_send_timeout 90;
proxy_read_timeout 90;
proxy_buffer_size 4k;
proxy_buffers 4 32k;
proxy_busy_buffers_size 64k;
proxy_temp_file_write_size 64k;
}
#以扩展名方式匹配静态文件
location ~ .*.(htm|html|gif|jpg|jpeg|png|bmp|ico|rar|css|js|zip|java|jar|txt|flv|swf|wma)$ {
root /usr/local/tomcat/webapps/123;
#expires 30d; #expires 指令来控制其在浏览器的缓存时间
}
#以目录方式匹配静态目录
location ~ ^/(images|styles|javascript)/ {
root /usr/local/www;
#expires 30d;
}
#设定查看Nginx状态的地址
location /NginxStatus {
stub_status on;
access_log on;
auth_basic "NginxStatus";
auth_basic_user_file conf/htpasswd;
}
#错误页面
#error_page 404 /404.html;
# redirect server error pages to the static page /50x.html
#
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
}
# proxy the PHP scripts to Apache listening on 127.0.0.1:80
#
#location ~ .php$ {
# proxy_pass http://127.0.0.1;
#}
# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
#location ~ .php$ {
# root html;
# fastcgi_pass 127.0.0.1:9000;
# fastcgi_index index.php;
# fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name;
# include fastcgi_params;
#}
# deny access to .htaccess files, if Apache's document root
# concurs with nginx's one
#
#location ~ /.ht {
# deny all;
#}
}
# another virtual host using mix of IP-, name-, and port-based configuration
#
#server {
# listen 8000;
# listen somename:8080;
# server_name somename alias another.alias;
# location / {
# root html;
# index index.html index.htm;
# }
#}
# HTTPS server
#
#server {
# listen 443;
# server_name localhost;
# ssl on;
# ssl_certificate cert.pem;
# ssl_certificate_key cert.key;
# ssl_session_timeout 5m;
# ssl_protocols SSLv2 SSLv3 TLSv1;
# ssl_ciphers ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP;
# ssl_prefer_server_ciphers on;
# location / {
# root html;
# index index.html index.htm;
# }
#}
}